19558188

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 108

約数和(自身を含む): 56361760

約数和(自身を除く): 36803572

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 79, 92, 117, 138, 156, 158, 207, 234, 237, 276, 299, 316, 414, 468, 474, 529, 598, 711, 828, 897, 948, 1027, 1058, 1196, 1422, 1587, 1794, 1817, 2054, 2116, 2691, 2844, 3081, 3174, 3588, 3634, 4108, 4761, 5382, 5451, 6162, 6348, 6877, 7268, 9243, 9522, 10764, 10902, 12324, 13754, 16353, 18486, 19044, 20631, 21804, 23621, 27508, 32706, 36972, 41262, 41791, 47242, 61893, 65412, 70863, 82524, 83582, 94484, 123786, 125373, 141726, 167164, 212589, 247572, 250746, 283452, 376119, 425178, 501492, 543283, 752238, 850356, 1086566, 1504476, 1629849, 2173132, 3259698, 4889547, 6519396, 9779094, 19558188]

約数ペア:

[(1, 19558188), (2, 9779094), (3, 6519396), (4, 4889547), (6, 3259698), (9, 2173132), (12, 1629849), (13, 1504476), (18, 1086566), (23, 850356), (26, 752238), (36, 543283), (39, 501492), (46, 425178), (52, 376119), (69, 283452), (78, 250746), (79, 247572), (92, 212589), (117, 167164), (138, 141726), (156, 125373), (158, 123786), (207, 94484), (234, 83582), (237, 82524), (276, 70863), (299, 65412), (316, 61893), (414, 47242), (468, 41791), (474, 41262), (529, 36972), (598, 32706), (711, 27508), (828, 23621), (897, 21804), (948, 20631), (1027, 19044), (1058, 18486), (1196, 16353), (1422, 13754), (1587, 12324), (1794, 10902), (1817, 10764), (2054, 9522), (2116, 9243), (2691, 7268), (2844, 6877), (3081, 6348), (3174, 6162), (3588, 5451), (3634, 5382), (4108, 4761)]